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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/sync_driver/device_info_service.h"
#include <vector>
#include "base/bind.h"
#include "sync/api/model_type_change_processor.h"
#include "sync/api/sync_error.h"
#include "sync/protocol/sync.pb.h"
#include "sync/util/time.h"
namespace sync_driver_v2 {
using sync_driver::DeviceInfo;
using sync_pb::DeviceInfoSpecifics;
DeviceInfoService::DeviceInfoService(
sync_driver::LocalDeviceInfoProvider* local_device_info_provider)
: local_device_backup_time_(-1),
local_device_info_provider_(local_device_info_provider) {
DCHECK(local_device_info_provider);
if (local_device_info_provider->GetLocalDeviceInfo()) {
OnProviderInitialized();
} else {
subscription_ =
local_device_info_provider->RegisterOnInitializedCallback(base::Bind(
&DeviceInfoService::OnProviderInitialized, base::Unretained(this)));
}
}
DeviceInfoService::~DeviceInfoService() {}
syncer_v2::MetadataChanges* DeviceInfoService::CreateMetadataChanges() {
// TODO(skym): Implementation.
return nullptr;
}
syncer::SyncError DeviceInfoService::MergeSyncData(
syncer_v2::MetadataChanges* metadata_changes,
syncer_v2::EntityDataList entity_data_list) {
// TODO(skym): Implementation.
return syncer::SyncError();
}
syncer::SyncError DeviceInfoService::ApplySyncChanges(
syncer_v2::MetadataChanges* metadata_changes,
syncer_v2::EntityChangeList entity_changes) {
// TODO(skym): Implementation.
return syncer::SyncError();
}
void DeviceInfoService::LoadMetadata(MetadataCallback callback) {
// TODO(skym): Implementation.
}
void DeviceInfoService::GetData(ClientKeyList client_keys,
DataCallback callback) {
// TODO(skym): Implementation.
}
void DeviceInfoService::GetAllData(DataCallback callback) {
// TODO(skym): Implementation.
}
std::string DeviceInfoService::GetClientTag(
const syncer_v2::EntityData* entity_data) {
// TODO(skym): Implementation.
return "";
}
bool DeviceInfoService::IsSyncing() const {
return !all_data_.empty();
}
scoped_ptr<DeviceInfo> DeviceInfoService::GetDeviceInfo(
const std::string& client_id) const {
ClientIdToSpecifics::const_iterator iter = all_data_.find(client_id);
if (iter == all_data_.end()) {
return scoped_ptr<DeviceInfo>();
}
return CreateDeviceInfo(*iter->second);
}
ScopedVector<DeviceInfo> DeviceInfoService::GetAllDeviceInfo() const {
ScopedVector<DeviceInfo> list;
for (ClientIdToSpecifics::const_iterator iter = all_data_.begin();
iter != all_data_.end(); ++iter) {
list.push_back(CreateDeviceInfo(*iter->second));
}
return list.Pass();
}
void DeviceInfoService::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void DeviceInfoService::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void DeviceInfoService::NotifyObservers() {
FOR_EACH_OBSERVER(Observer, observers_, OnDeviceInfoChange());
}
void DeviceInfoService::UpdateLocalDeviceBackupTime(base::Time backup_time) {
// TODO(skym): Replace with is initialized check, we've already started
// syncing, provider is ready, make sure we have processort, etc.
// Local device info must be available in advance.
DCHECK(local_device_info_provider_->GetLocalDeviceInfo());
// TODO(skym): Should this be a less than instead of not equal check?
if (GetLocalDeviceBackupTime() != backup_time) {
// TODO(skym): Storing this field doesn't really make sense, remove.
set_local_device_backup_time(syncer::TimeToProtoTime(backup_time));
scoped_ptr<DeviceInfoSpecifics> new_specifics = CreateLocalSpecifics();
// TODO(skym): Create correct update datastructure, such as EntityChange,
// EntityMetadata, or CommitRequestData.
// TODO(skym): Call ProcessChanges on SMTP.
// TODO(skym): Persist metadata and data.
StoreSpecifics(new_specifics.Pass());
}
// Don't call NotifyObservers() because backup time is not part of
// DeviceInfoTracker interface.
}
base::Time DeviceInfoService::GetLocalDeviceBackupTime() const {
return has_local_device_backup_time()
? syncer::ProtoTimeToTime(local_device_backup_time())
: base::Time();
}
// TODO(skym): It might not make sense for this to be a scoped_ptr.
scoped_ptr<DeviceInfoSpecifics> DeviceInfoService::CreateLocalSpecifics() {
const DeviceInfo* info = local_device_info_provider_->GetLocalDeviceInfo();
DCHECK(info);
scoped_ptr<DeviceInfoSpecifics> specifics = CreateSpecifics(*info);
if (has_local_device_backup_time()) {
specifics->set_backup_timestamp(local_device_backup_time());
}
// TODO(skym): Local tag and non unique name have no place to be set now.
return specifics;
}
// TODO(skym): It might not make sense for this to be a scoped_ptr.
// Static.
scoped_ptr<DeviceInfoSpecifics> DeviceInfoService::CreateSpecifics(
const DeviceInfo& info) {
scoped_ptr<DeviceInfoSpecifics> specifics =
make_scoped_ptr(new DeviceInfoSpecifics);
specifics->set_cache_guid(info.guid());
specifics->set_client_name(info.client_name());
specifics->set_chrome_version(info.chrome_version());
specifics->set_sync_user_agent(info.sync_user_agent());
specifics->set_device_type(info.device_type());
specifics->set_signin_scoped_device_id(info.signin_scoped_device_id());
return specifics;
}
// Static.
scoped_ptr<DeviceInfo> DeviceInfoService::CreateDeviceInfo(
const DeviceInfoSpecifics& specifics) {
return make_scoped_ptr(new DeviceInfo(
specifics.cache_guid(), specifics.client_name(),
specifics.chrome_version(), specifics.sync_user_agent(),
specifics.device_type(), specifics.signin_scoped_device_id()));
}
void DeviceInfoService::StoreSpecifics(
scoped_ptr<DeviceInfoSpecifics> specifics) {
DVLOG(1) << "Storing DEVICE_INFO for " << specifics->client_name()
<< " with ID " << specifics->cache_guid();
all_data_[specifics->cache_guid()] = std::move(specifics);
}
void DeviceInfoService::DeleteSpecifics(const std::string& client_id) {
ClientIdToSpecifics::const_iterator iter = all_data_.find(client_id);
if (iter != all_data_.end()) {
DVLOG(1) << "Deleting DEVICE_INFO for " << iter->second->client_name()
<< " with ID " << client_id;
all_data_.erase(iter);
}
}
void DeviceInfoService::OnProviderInitialized() {
// TODO(skym): Do we need this?
}
} // namespace sync_driver_v2
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